Procedures

Cylinder head, servicing

Note:
^ When installing an exchange cylinder head with an installed camshaft, the contact surfaces between the bucket tappets and the cam must be oiled before installing the cylinder head cover.
^ The plastic packing pieces for protecting the open valves must not be removed until immediately before installing the cylinder head.
^ If the cylinder head is replaced, all the coolant in the system must also be replaced.





1- Toothed belt guard - upper part
2- Toothed belt
^ Mark direction of rotation before removing
3- 10 Nm
^ Replace
4- 25 Nm
5- 100 Nm
6- Camshaft pulley
7- Hub
^ With sender wheel
8- Rear toothed belt guard
9- Sealing grommet
^ Replace if damaged
10- Camshaft Position (CMP) sensor -G40-
11- Cylinder head bolt
^ Note sequence when loosening and tightening
12- Cylinder head cover
13- Pressure regulating valve
^ For crankcase breather
14- To exhaust turbocharger
15- Sealing cap
^ Replace seal if damaged
16- Boot
^ Replace if damaged
17- 10 Nm
^ Observe tightening sequence
18- Cylinder head cover gasket
^ Before installing, seal transition points with "AMV 174 004 01"
19- 20 Nm
20- Lifting eye
21- Unit injector
22- 10 Nm
23- Central connector
^ For unit injector
24- From brake servo
25- Tandem pump
^ For fuel and vacuum supply
26- Supply hose
^ White or with white marking
27- Return hose
^ Blue or with blue marking
28- Seal
^ Replace
29- Bolt
30- Cylinder head
^ After replacing, replace entire amount of coolant
31- Cylinder head gasket
^ Replace
^ Note marking
^ After replacing, replace entire amount of coolant
32- Glow plug
^ 15 Nm
33- Tensioning roller
34- 20 Nm plus an additional 1/8 turn (45°)